SEMGROUP CORP

CUSIP: 81663A105 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017
Shares 2,008 Value ($000) $54 Avg Close — Range —
Q3 2014
Shares 748 Value ($000) $62 Avg Close — Range —
Q2 2014
Shares 48 Value ($000) $4 Avg Close — Range —
Q4 2013
Shares 2,611 Value ($000) $170 Avg Close — Range —
Q3 2013
Shares 6,411 Value ($000) $366 Avg Close — Range —
Q2 2013
Shares 1,011 Value ($000) $54 Avg Close — Range —